# SDR YENA20161004901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2016
- Submitted: October 5, 2016
- Operation: Air carrier
- Aircraft: [N629JB](https://openairdocs.org/aircraft/N629JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2580
- Aircraft time: 43,793 hours, 15,550 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 759594
- Condition: Inoperative
- Location: Emergency Lights
- Part time: 10,152 hours, 3,637 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA20161004901

## Discrepancy

FLT 358,  DURING ROUTINE MAINTENANCE CHECK, EMERGENCY LIGHTS TEST WAS PERFORMED. DISPLAY SCREEN SHOWED  EPSU BATTERY FAULT.   R & R EPSU BATTERY IAW AMM 33-51-38.  OPS CHECK PASSED.

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